MODEL A 31 COUPE WIRING PROBLEM

FIRST TIME USER, WIRED UP LIGHT SWITCH TURN TO RIGHT LIGHTS AND TAIL LIGHTS WORKED, TURN STRAIGHT DOWN OFF, TURN TO LEFT COWL LIGHTS AND TAIL LIGHTS WORKED. INSTALLED NEW BRUSH'S ONE AT A TIME IN PLACE MOVED THIRD BRUSH UP IN DIRECTION OF ENGINE. CRANKED UP AND SHOWED CHARGING, SMOKED WIRES IN SWITCH AND TERMINAL BOX. WHAT CAUSED THE PROBLEM.

THANKS

DANA

You have a dead short to earth. If you have just recently changed the brushes in the dynamo, it may be that you have inadvertently allowed the wiring connections on the brushes to touch the dynamo casing, causing a short circuit. Check the brushes and also check where you have rewired the switch that there is no short to earth there.

I would suggest setting the third brush in the middle of it`s range of adjustment. Too much charge boils the battery and burns away the brushes.

Adam..

Dana Bizzell,

Welcome to the AACA Discussion Forum. I have moved your 2 posts from the CCCA Technical Forum to the General Technical Forum. You may get a few more responses in the correct forum.